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Advantech PCA-6275 Manual

Pentium ii processor-based pci/isa-bus cpu card
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PCA-6275
®
Pentium
II processor-based
PCI/ISA-bus CPU card

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Summary of Contents for Advantech PCA-6275

  • Page 1 PCA-6275 ® Pentium II processor-based PCI/ISA-bus CPU card...
  • Page 2 Copyright notice This document is copyrighted, 1999, by Advantech Co., Ltd. All rights are reserved. Advantech Co., Ltd. reserves the right to make improvements to the products described in this manual at any time without notice. No part of this manual may be reproduced, copied, translated or transmitted in any form or by any means without the prior written permission of Advantech Co., Ltd.
  • Page 3 A Message to the Customer Advantech customer services Each and every Advantech product is built to the most exacting specifications to ensure reliable performance in the harsh and demanding conditions typical of industrial environments. Whether your new Advantech equipment is destined for the laboratory or the...
  • Page 4 Because of Advantech’s high quality-control standards and rigorous testing, most of our customers never need to use our repair service. If an Advantech product is defective, it will be repaired or replaced at no charge during the warranty period. For out-of-warranty repairs, you will be billed according to the cost of replacement materials, service time and freight.
  • Page 5 It should be free of marks and scratches and in perfect working order upon receipt. As you unpack the PCA-6275, check it for signs of shipping damage. (For example, damaged box, scratches, dents, etc.) If it is damaged or it fails to meet the specifications, notify our service department or your local sales representative immediately.

  • Page 6: Table Of Contents

    Contents Chapter 1 Hardware Configuration ......1 Introduction ................2 Features ................3 Specifications ..............4 System ..................4 Memory ................4 Input/Output .................4 Industrial features ..............5 Mechanical and environmental specifications .....5 Board Layout: Main Features ..........6 Jumpers and Connectors ...........7 Board Layout: Jumper and Connector Locations ..9 Safety Precautions ............10 Jumper Settings ..............
  • Page 7 ATX Power Control Connectors (CN6 and J3) .....26 2.5.1 ATX feature connector (CN6) and soft power switch connector (J3).............26 2.5.2 Controlling the soft power switch ......27 Floppy Drive Connector (CN7) ........27 CPU Fan Connectors (CN9, CN8) ........27 Front Panel Connectors (CN10, CN11, CN12, CN13 and J3) ........
  • Page 8 3.4.11 PCI/VGA Palette Snoop ..........37 3.4.12 OS Select for DRAM > 64 MB.......37 3.4.13 Video BIOS Shadow ..........37 3.4.14 C8000-CBFFF Shadow / DC000-DFFFF Shadow .37 Chipset Features Setup ............38 Power Management Setup ..........39 3.6.1 Power Management ...........39 3.6.2 HDD Power Management .........39 3.6.3 Soft-Off by PWR-BTTN ...........40 3.6.4 IRQ Activity ..............40 PCI Configuration Setup ..........40...
  • Page 9 External Keyboard Connector (CN17) ......64 ATX Feature Connector (CN6) ........65 IDE Hard Drive Connector (CN1, CN2) ......65 USB Connector (CN4) .............66 CPU Fan Power Connectors (CN8, CN9) ......66 Floppy Drive Connector (CN7) ........67 Parallel Port Connector (CN5) ........68 B.10 IR Connector (CN3) ............69 B.11 HDD LED Connector (CN12) .........69 B.12 Power LED and Keylock Connector (CN11) ....69 B.13 External Speaker (CN10) ..........70...

  • Page 11: Chapter 1 Hardware Configuration

    Hardware Configuration This chapter gives background information on the PCA-6275. It then shows you how to configure the card to match your application and prepare it for installation into your PC. Sections include: • Card specifications • Board layout • Safety precautions...

  • Page 12: Introduction

    Introduction The PCA-6275 industrial grade CPU card uses two of Intel's highly ® acclaimed Pentium II processors, together with the Intel 440BX PCI chipset. The card works with standard ISA or PCI/ISA-bus passive backplanes. The CPU provides 512 KB on-chip L2 cache, eliminating the need for external SRAM chips.

  • Page 13: Features

    Features • Intel slot 1architecture ® • Dual Pentium II processors up to 500 MHz • Intel 82440BX PCIset, FSB 66/100 MHz • Three DIMM sockets to support Intel PC100-compliant SDRAMs up to 768 MB; supports ECC • Award Flash BIOS, 2 Mbit •...

  • Page 14: Specifications

    • Bus interface: PCI/ISA bus, PICMG compliant • Bus speed: ISA: 8 MHz PCI: 33 MHz • DMA channels: 7 • Interrupt levels: 15 • Enhanced parallel port: Configurable to LPT1, LPT2, LPT3 or disabled. Standard DB-25 female connector provided. Supports EPP/ECP/SPP PCA-6275 User's Manual...

  • Page 15: Industrial Features

    • Serial ports: Two RS-232 ports with 16C550 UARTs (or compatible) with 16-byte FIFO buffer. Supports speeds up to 115.2 Kbps. Ports can be individually configured to COM1, COM2 or disabled • Keyboard and PS/2 mouse connector: A 6-pin mini DIN connector is located on the mounting bracket for easy connection to a keyboard or PS/2 mouse.

  • Page 16: Board Layout: Main Features

    Board Layout: Main Features PCA-6275 User's Manual...

  • Page 17: Jumpers And Connectors

    Jumpers and Connectors Connectors on the PCA-6275 board link it to external devices such as hard disk drives and a keyboard. In addition, the board has a number of jumpers used to configure your system for your application. The tables below list the function of each of the board jumpers and connectors.
  • Page 18 Keyboard lock and power LED CN12 IDE LED CN13 Reset connector CN14 External SMI CN15 Serial port: COM1 CN16 Serial port: COM2 CN17 External keyboard connector CN18 PS /2 keyboard and mouse CPU 1 temperature sensor CPU 2 temperature sensor PCA-6275 User's Manual...

  • Page 19: Board Layout: Jumper And Connector Locations

    Board Layout: Jumper and Connector Locations Figure 1-1: Board layout: jumper and connecter locations Chapter 1 Hardware Configuration...

  • Page 20: Safety Precautions

    As a safety precaution, use a grounding wrist strap at all times. Place all electronic components in a static-dissipative surface or static-shielded bag when they are not in the chassis. PCA-6275 User's Manual...

  • Page 21: Jumper Settings

    1, 2 and 3. In this case you connect either pins 1 and 2, or 2 and A pair of needle-nose pliers may be useful when setting jumpers. 1.8.2 CPU core frequency (J1) You must configure your PCA-6275 CPU card to the frequency of ® your Intel Pentium II processor by setting jumper J1.
  • Page 22 266 MHz open open open 300 MHz open open closed 333 MHz open closed open 350 MHz closed closed closed 400 MHz open open open 450 MHz open open closed 500 MHz open closed open PCA-6275 User's Manual...

  • Page 23: Watchdog Timer Output (J2)

    1.8.3 Watchdog timer output (J2) The PCA-6275 contains a watchdog timer that will reset the CPU or send a signal to IRQ11 in the event the CPU stops processing. This feature means the PCA-6275 will recover from a software failure or an EMI problem. The J2 jumper settings control the outcome of what the computer will do in the event the watchdog timer is tripped.

  • Page 24: System Memory

    (SDRAM). DIMMs are available in capacities of 16, 32, 64, 128, or 256 MB. The sockets can be filled in any combina- tion with DIMMs of any size, giving your PCA-6275 single board computer between 16 and 768 MB of memory. Use...

  • Page 25: Supplementary Information About Dimms

    Your PCA-6275 can accept SDRAM memory chips (with or without parity). Also note: • If the PCA-6275 operates at 100 MHz, only use PC100- compliant DIMMs. Most systems will not even boot if non- compliant modules are used. This is due to strict timing issues involved st this speed.

  • Page 26: Memory Installation Procedures

    DIMM socket. (See Figure 1-2.) To take away the memory module, just push both handles outward, and the memory module will be ejected by the mechanism in the socket. Figure 1-2: DIMM installation PCA-6275 User's Manual...

  • Page 27: Cache Memory

    1.11 Cache Memory Since the second level cache has been embedded into the ® Pentium II CPU, you do not have to take care of either SRAM chips or SRAM modules. The built-in second level cache in the Pentium II yields much higher performance than the external cache memories.

  • Page 28: Mounting The Cpu And Cooling Modules

    Pentium II CPU to slot 1. Figure 1- 3 illustrates the steps involved in mounting the retention module and installing the CPU and cooling modules. Step 1 Figure 1-3: Mounting CPU and cooling modules - Step 1 PCA-6275 User's Manual...
  • Page 29 Step 2 Figure 1-4: Mounting CPU and cooling modules - Step 2 Chapter 1 Hardware Configuration...
  • Page 30 Step 3 Figure 1-5: Mounting CPU and cooling modules - Step 3 PCA-6275 User's Manual...

  • Page 31: On-Board Support Bracket

    1.13 On-board Support Bracket ® Advantech's PCA-6275 Pentium II also includes an on- board metal bracket to provide balanced support for the Pentium II processor cartridge. Figure 1-6: On-board support bracket Chapter 1 Hardware Configuration...
  • Page 32 PCA-6275 User's Manual...

  • Page 33: Chapter 2 Connecting Peripherals

    Connecting Peripherals This chapter tells how to connect peripherals, switches and indicators to the PCA-6275 board. You can access most of the connectors from the top of the board while it is installed in the chassis. If you have a number of cards installed, or your...

  • Page 34: Primary (Cn1) And Secondary (Cn2) Ide Connectors

    Connectors You can attach up to four IDE (Integrated Device Electronics) drives to the PCA-6275’s internal controller. The primary (CN1) and secondary (CN2) connectors can each accommodate two drives. Wire number 1 on the cable is red or blue and the other wires are gray.

  • Page 35: Usb Connector (Cn4)

    USB Connector (CN4) The PCA-6275 CPU card provides one USB (Universal Serial Bus) interface, which give complete plug and play, hot attach/detach for up to 127 external devices.The USB interface complies with USB Specification Rev. 1.0, and is fuse-protected. The USB interface is accessed through a 10-pin flat-cable connector, CN4.

  • Page 36: Atx Power Control Connectors (Cn6 And J3)

    (CN6 and J3) 2.5.1 ATX feature connector (CN6) and soft power switch connector (J3) The PCA-6275 can support an advanced soft power switch function if an ATX power supply is used. To enable the soft power switch function: 1. Take the specially designed ATX-to-PS/2 power cable out of the PCA-6275's accessory bag.

  • Page 37: Floppy Drive Connector (Cn7)

    Floppy Drive Connector (CN7) You can attach up to two floppy disk drives to the PCA-6275's on-board controller. You can use any combination of 5.25" (360 KB/1.2 MB) and/or 3.5" (720 KB/1.44/2.88 MB) drives. The card comes with a 34-pin daisy-chain drive connector cable. On one end of the cable is a 34-pin flat-cable connector.

  • Page 38: Front Panel Connectors (Cn10, Cn11, Cn12, Cn13 And J3)

    2.8.1 External speaker (CN10) CN10 is a 4-pin connector for an extenal speaker connection. If there is no external speaker, the PCA-6275 provides an on-board buzzer as an alternative. To enable the buzzer, set pins 3-4 as closed. 2.8.2 Keyboard lock and power on LED (CN11) CN11 is a 5-pin connector for the "keyboard lock"...

  • Page 39: External Suspend Switch Lead (Smi) (Cn14)

    "Enable". 2.10 Serial Ports (CN15: COM1; CN16: COM2) The PCA-6275 offers two serial ports, CN15 as COM1 and CN16 as COM2. These ports can connect to serial devices (such as a mouse, printers, and so on) or to a communication network.

  • Page 40: External Keyboard Connector (Cn17)

    2.11 External Keyboard Connector (CN17) In addition to the keyboard connector on the PCA-6275's rear plate, there is also an extra on-board external keyboard connector. This gives system integrators greater flexibility in designing their systems. 2.12 PS/2 Keyboard & Mouse Connector (CN18) The PCA-6275 board provides a keyboard connector.

  • Page 41: Chapter 3 Award Bios Setup

    Award BIOS Setup This chapter describes how to set the card’s BIOS configuration data.

  • Page 42: Introduction

    CPU. If there is no number assigned to the patch code, please contact Advantech's applications engineer to obtain an up-to-date patch code file. This will ensure that your CPU's system status is valid. After ensuring that you have a number assigned to the patch code, press <Del>...

  • Page 43: Standard Cmos Setup

    Standard CMOS Setup Choose the “STANDARD CMOS SETUP” option from the "INITIAL SETUP SCREEN" menu, and the screen below will be displayed. This standard setup menu allows users to configure system components such as date, time, hard disk drive, floppy drive, display, and memory. Figure 3-1: CMOS setup screen Chapter 3 Award BIOS Setup...

  • Page 44: Bios Features Setup

    The “BIOS FEATURES SETUP” screen appears when choosing the "BIOS FEATURES SETUP" item from the "CMOS SETUP UTILITY" menu. It allows the user to configure the PCA-6275 according to his particular requirements. Below are some major items that are provided in the BIOS FEATURES SETUP screen.

  • Page 45: Quick Power On Self Test

    3.4.2 Quick Power On Self Test This option speeds up the Power-On Self Test (POST) conducted as soon as the computer is turned on. When enabled, BIOS shortens or skips some of the items during the test. When disabled, the computer conducts normal POST procedures.

  • Page 46: Boot Up Numlock Status

    The system will not boot, and access to Setup will be denied if the correct password is not entered at the prompt. Setup The system will boot, but access to Setup will be denied if the correct password is not entered at the prompt. PCA-6275 User's Manual...

  • Page 47: Pci/Vga Palette Snoop

    Note: To disable security, select "PASSWORD SETTING" in the main menu. At this point, you will be asked to enter a password. Simply press <Enter> to disable security. When security is disabled, the system will boot, and you can enter Setup freely. 3.4.11 PCI/VGA Palette Snoop Some display cards that are nonstandard VGA such as graphics accelerators or MPEG Video Cards may not show colors properly.

  • Page 48: Chipset Features Setup

    PC system. The data will be displayed in similar fashion to the display shown in Fig. 3-3: Figure 3-3: CHIPSET features setup screen Note: If you enable the IDE HDD block mode, the enhanced IDE driver will be enabled. PCA-6275 User's Manual...

  • Page 49: Power Management Setup

    Power Management Setup The power management setup controls the CPU card's “green” features. The following screen shows the manufacturer’s defaults. Figure 3-4: Power management setup screen 3.6.1 Power Management This option allows you to determine if the values in power management are disabled, user-defined, or predefined.

  • Page 50: Soft-Off By Pwr-Bttn

    (for less than 4 seconds) will switch the system to "suspend" mode. 3.6.4 IRQ Activity IRQ can be set independently. Activity on any enabled IRQ will wake up the system. PCI Configuration Setup Figure 3-5: PCI configuration screen PCA-6275 User's Manual...

  • Page 51: Irq-Xx Assigned To : Pci/Isa Pnp

    3.7.1 IRQ-xx assigned to : PCI/ISA PnP These fields indicate whether or not the displayed IRQ for each field is being used by a legacy (non-PnP) card. Two options are available: PCI/ISA PnP or Legacy ISA. The first option, the default setting, indicates that the displayed IRQ is not used to determine if an ISA card is using that IRQ.

  • Page 52: Load Bios Defaults

    (and therefore unusable). Load Setup Defaults “Load SETUP Defaults” loads the values required by the system for maximum performance. 3.10 Integrated Peripherals Figure 3-6: Integrated peripherals PCA-6275 User's Manual...

  • Page 53: Password Setting

    3.11 Password Setting To change the password: 1. Choose the "PASSWORD SETTING" option from the Setup main menu and press <Enter>. The screen will display the following message: Enter Password: Press <Enter>. 2. If the CMOS is good or if this option has been used to change the default password, the user is asked for the password stored in the CMOS.

  • Page 54: Save & Exit Setup

    This record is required for the system to operate. 3.14 Exit Without Saving Selecting this option and pressing <Enter> lets you exit the setup program without recording any new values or changing old ones. PCA-6275 User's Manual...

  • Page 55: Chapter 4 On-Board Security Setup

    On-board Security Setup This chapter explains OBS concepts and provides instructions for installing the relevant software drivers. This is done using the OBS driver disks included in your PCA-6275 package.

  • Page 56: Introduction

    Introduction On-board security (OBS) functions monitor key hardware. They help you maintain your system's stability and durability. The PCA-6275 can monitor 5 sets of system positive voltages, 2 sets of system negative voltages, CPU cooling fan speed, and CPU temperature.

  • Page 57: Driver Installation

    Driver Installation 4.3.1 Necessary prerequisites The instructions in this manual assume that you understand elementary concepts of MS-DOS and the IBM personal computer. Before you attempt to install any driver or utility, you should know how to copy files from a floppy disk to a directory on the hard disk; understand the MS-DOS directory structure;...

  • Page 58: Windows 95 Drivers Setup Procedure

    4.3.3 Windows 95 drivers setup procedure 1. Insert the OBS driver disk into drive A:. Type: A:\setup.exe Press <Enter> to run the driver SETUP program. Figure 4-1: Hardware Doctor setup - initial screen PCA-6275 User's Manual...
  • Page 59 2. If your operating system is Win95, you will see the following screen images after running the driver. You must then reboot your system, start the procedure from Step 1 again, and then proceed directly to Step 3. Figure 4-2: Setup under Win95 Chapter 4 On-board Security Setup...
  • Page 60 Figure 4-3: Restarting Windows PCA-6275 User's Manual...
  • Page 61 3. Follow the screen instructions to install the software. Figure 4-4: Hardware Doctor setup - installation screen Chapter 4 On-board Security Setup...
  • Page 62 4. Complete the setup. Figure 4-5: Hardware Doctor setup - completion screen PCA-6275 User's Manual...
  • Page 63 5. Using your file manager, click on "Hardware Doctor" in drive C:, and then click on "W83781". Figure 4-6: Exploring - Hardware Doctor Chapter 4 On-board Security Setup...
  • Page 64 6. It is recommended that you load the default values for all the OBS settings. However, if desired, you can establish new conditions for voltage, fan speed and temperature. Figure 4-7: Winbond Hardware Doctor PCA-6275 User's Manual...
  • Page 65 7. "Winbond Hardware Doctor" will show an icon on the right side of the bottom window bar. This icon is the "Terminate and Stay Resident" (TSR) icon. It will permanently remain in the bottom window bar, and will activate warning signals when triggered by the on-board security system.
  • Page 66 "Count 3". This will result in a warning message being delivered only after any monitored reading exceeds safe limits for a third time. It is recommended that you load the default settings for all the OBS functions. Figure 4-9: Monitoring Config. PCA-6275 User's Manual...
  • Page 67 9. After completing the setup, all the OBS functions are permanently enabled. When a monitored reading exceeds safe limits, a warning message will be displayed and an error beep tone will activate to attract your attention. Figure 4-10: Warning display Chapter 4 On-board Security Setup...
  • Page 68 PCA-6275 User's Manual...

  • Page 69: Appendix A Programming The Watchdog Timer

    Programming the Watchdog Timer The PCA-6275 is equipped with a watchdog timer that resets the CPU or generates an interrupt if processing comes to a standstill for any reason. This feature ensures system reliability in industrial standalone or unmanned environments.

  • Page 70: Programming The Watchdog Timer

    The value range is from 01 (hex) to 3F (hex), and the related time interval is 1 sec. to 63 sec. Data Time Interval 1 sec. 2 sec. 3 sec. 4 sec. • • • • • • 63 sec. PCA-6275 User's Manual...
  • Page 71 After data entry, your program must refresh the watchdog timer by rewriting I/O port 443 (hex) while simultaneously setting it. When you want to disable the watchdog timer, your program should read I/O port 443 (hex). The following example shows how you might program the watchdog timer in BASIC: Watchdog timer example program OUT &H443, data REM...
  • Page 72 PCA-6275 User's Manual...

  • Page 73: Appendix B Pin Assignments

    Pin Assignments This appendix contains information of a detailed or specialized nature. It includes: • COM1/COM2 RS-232 serial port • Keyboard and mouse connector • External keyboard connector • ATX feature connector • IDE hard drive connector • USB connector •...

  • Page 74: Com1/Com2 Rs-232 Serial Port (Cn15, Cn16)

    Table B-1: COM1/COM2 RS-232 serial port (CN15, CN16) Signal B.2 Keyboard and Mouse Connnector (CN18) Table B-2: Keyboard and mouse connector (CN18) Signal KB DATA MS DATA KB CLOCK MS CLOCK B.3 External Keyboard Connector (CN17) Table B-3: External keyboard connector (CN17) Signal DATA PCA-6275 User's Manual...

  • Page 75: Atx Feature Connector (Cn6)

    B.4 ATX Feature Connector (CN6) Table B-4: ATX feature connector (CN6) Signal 5VSB PS-ON B.5 IDE Hard Drive Connector (CN1, CN2) 39 37 ..3 1 40 38 ..4 2 Table B-5: IDE hard drive connector (CN1, CN2) Signal Signal IDE RESET* DATA 7...

  • Page 76: Usb Connector (Cn4)

    B.6 USB Connector (CN4) Table B-6: USB1/USB2 connector (CN4) USB1 Signal USB2 Signal +5 V +5 V Chassis GND B.7 CPU Fan Power Connectors (CN8, CN9) Table B-7: CPU fan power connector (CN8/9) Signal +12 V Detect PCA-6275 User's Manual...

  • Page 77: Floppy Drive Connector (Cn7)

    B.8 Floppy Drive Connector (CN7) 33 31 ..3 1 34 32 ..4 2 Table B-8: Floppy drive connector (CN7) Signal Signal DENSITY SELECT* INDEX* MOTOR 0* DRIVE SELECT 1* DRIVE SELECT 0* MOTOR 1* DIRECTION* STEP* WRITE DATA* WRITE GATE* TRACK 0* WRITE PROTECT*...

  • Page 78: Parallel Port Connector (Cn5)

    B.9 Parallel Port Connector (CN5) 13 12 ..2 1 26 25 ..15 14 Table B-9: Parallel port connector (CN5) Signal \STROBE \AUTOFD \INIT \SLCTINI \ACK BUSY SLCT PCA-6275 User's Manual...

  • Page 79: Ir Connector (Cn3)

    B.10 IR Connector (CN3) Table B-10: IR connector (CN3) Signal +5 V IR_RX IR_TX B.11 HDD LED Connector (CN12) Table B-11: HDD LED connector (CN12) Signal B.12 Power LED and Keylock Connector (CN11) You can use an LED to indicate when the CPU card is on. Pin 1 of CN11 supplies the LED's power, and Pin 3 is the ground.

  • Page 80: External Speaker (Cn10)

    B.13 External Speaker (CN10) The CPU card has its own buzzer. You can also connect it to the external speaker on your computer chassis. Table B-13: External speaker (CN10) Function +5 V Internal buzzer Speaker out PCA-6275 User's Manual...

  • Page 81: System I/O Ports

    B.14 System I/O Ports Table B-14: System I/O ports Addr. range (Hex) Device 000-01F DMA controller 020-021 Interrupt controller 1, master 022-023 Chipset address 040-05F 8254 timer 060-06F 8042 (keyboard controller) 070-07F Real-time clock, non-maskable interrupt (NMI) mask 080-09F DMA page register 0A0-0BF Interrupt controller 2 0C0-0DF...

  • Page 82: Dma Channel Assignments

    IRQ 14 Fixed disk controller IRQ 15 Available IRQ 3 Serial communication port 2 IRQ 4 Serial communication port 1 IRQ 5 Parallel port 2 IRQ 6 Diskette controller (FDC) IRQ 7 Parallel port 1 (print port) PCA-6275 User's Manual...

  • Page 83: 1St Mb Memory Map

    B.17 1st MB Memory Map Table B-17:1st MB memory map Addr. range (Hex) Device F0000h - FFFFFh System ROM C8000h - EFFFFh Unused C0000h - C7FFFh VGA BIOS B8000h - BFFFFh CGA/EGA/VGA text B0000h - B7FFFh Unused A0000h - AFFFFh EGA/VGA graphics 00000h - 9FFFFh Base memory...
  • Page 84 PCA-6275 User's Manual...

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